Some suggestions, mostly quality of life, obvious things

[ExponentialDecay]

Tired of farming elemental shards? please, allow us to break bigger crystals to get lesser versions of the same:

1 Cluster = 10 Crystals = 100 shards.

bring back moraines

[MeganLynn]

I wish they'd make it so when you sort your weapons/gear, it stays sorted and not get all jumbled when you switch classes. It drives me crazy having to sort each and every time I change to a different job/class!

[Kyrrios]

id like to see a notification when one of my friends log-in, can this be done? i searched everywhere and could not find such option, only found it for FC members... please add to list?

[HONK]

Are there any plans to add in a auto-attack/defend if we get attack by an enemy while we are away for a minute to get something to eat/drink or use the lavatory.

You're not serious, are you? But I'd add auto-mining in case a node near my character has respawned as well, just in case I'm away for a minute.

[Kiara1]

Please make it so for looting on weapons or armor that you are currently above the ilevel of, you can only greed on it.

This is sucha a bad idea, I run dungeons mostly for glamours, so I would need to gimp myself to be able to need on the items I want.
If you want a certain piece of equipment, run the dungeon/trial/raid as that class

[Dayala]

It would be nice to be able to make notes on the map with the ability to put a semi-permanent flags for direction or to mark spawn areas (for hunts or mobs you're farming in general). You should be able to individually clear the flags and group clear them. (and I don't mean the shared < pos> flags, I mean you can open up your menu, put a flag on your personal map, close it, open it later and it's still there - kinda like FFXI had)

A FC calendar that can be accessed in game to organise events and activities would also be a plus, especially when you have several groups raiding.

[Myranda]

When selling items on the markets/retainers, could the menu order be rearranged to be consistent? When you sell them from your own inventory, "Put up for sale" is the first entry in the list, but if you choose to sell directly from your retainer's inventory it's the second option, with the first list entry instead being to retrieve the item. I can't tell you how many times I've picked up items off my retainer instead of them going up on the markets...

[Brine_Gildchaff]

This is sucha a bad idea, I run dungeons mostly for glamours, so I would need to gimp myself to be able to need on the items I want.
If you want a certain piece of equipment, run the dungeon/trial/raid as that class

While I agree that glamours are something desirable, I can understand the sentiment. I once had a T2 run while I was trying to gear up my PLD where the other tank swiped the Allagan Plate Belt (i90) that dropped, despite him already having a Weathered Noct Plate Belt (i100). And remember, belts cannot be glamoured as they're the one piece of gear that isn't rendered...

[Myranda]

When you click on the gil icon on the HUD display, you can toggle it between showing your current gil amount and the number of Company Seals you have. Would it be possible to add other currency types (Allagan Tomestone, Allied Seals) to this function as well so they could also be checked with a quick glance rather than having to open up the character menu/interface?

[Dynakros]

I'm not sure if it's already been said, but for completionist such as myself when it comes to questing, I think it'd be great if you would allow us to do all Grand Company quests when we switch nations.

For example, I completed all Limsa GC quests up to The Hunt, but a lot of my friends are Immortal Flames, so I switched nations to participate in Frontlines with them. When I switched back to Maelstrom, I was unable to complete the Frontlines quest for that nation since I had already completed it for Immortal Flames.

TL;DR: Please allow us to complete Grand Company quests that we've already completed for one nation when we switch to a different one for the sake of our quest journal.